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September Weather in Hergensweiler, Germany

Last updated: August 23, 2025

In September, the average temperature in Hergensweiler, Germany is a mild 14°C (57°F), with lows dipping to 2°C (36°F) and highs reaching up to 26°C (80°F). Expect about 124 mm (4.9 in) of precipitation spread across 13 days, contributing to an overall average humidity level of 83%.

September Temperature in Hergensweiler

In September in Hergensweiler, the average temperature is 14°C (57°F). Maximums can reach 26°C (80°F), while minimums can be as low as 2°C (36°F). This variation makes it essential for travelers to pack layers to accommodate both warm days and chilly evenings.

September Weather in Hergensweiler: Daily Temperature Highs, Lows, and Averages

The chart illustrates September temperature patterns in Hergensweiler, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Hergensweiler, September typically has an average temperature of 14°C (57°F), with highs reaching up to 26°C (80°F) and lows dropping to around 2°C (36°F).
JanFebMarAprMayJunJulAugSepOctNovDec313540485463656557504134
Data source: Temperature data for Hergensweiler generated using information from the Copernicus Climate Change Service.
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The average of daily temperatures (24 hours) calculated across all days in the month.

September Precipitation in Hergensweiler

In Hergensweiler in September, the total precipitation amount is 124 mm (4.9 in) over a span of 13 days.

September Precipitation Trends in Hergensweiler

The chart displays monthly precipitation patterns in Hergensweiler, with values for each month alongside September’s data, which is highlighted for easy comparison. It shows the amount of precipitation, providing insights into how September’s conditions compare to those of other months. In Hergensweiler, September typically receives around 124 mm (4.9 inches) of precipitation spread over approximately 13 days.
JanFebMarAprMayJunJulAugSepOctNovDec128981138416015616117912412879149
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
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September Humidity in Hergensweiler

In Hergensweiler in September, humidity is 83%. With an average temperature of 14°C (57°F), this humidity feels like you're stepping into a warm, damp embrace that can make outdoor activities quite uncomfortable, often leaving you sweaty and exhausted if you're not prepared with plenty of water and breathable clothing.

September Average Humidity in Hergensweiler

This chart illustrates the average monthly humidity levels in Hergensweiler, with September’s data highlighted for easy comparison. It shows the fluctuation in humidity throughout the year, helping you understand how conditions vary by season. In September, average humidity in Hergensweiler is approximately 83%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec92%89%87%84%80%82%83%80%83%90%89%90%
Data source: Humidity data for September generated using information from the Copernicus Climate Change Service.

September UV Index in Hergensweiler

In Hergensweiler in September, the maximum UV index is 6, which corresponds to a high Exposure Category. The time to burn is approximately 25 minutes. To find the hourly UV index in Hergensweiler, you can refer to this Hourly UV Index in Hergensweiler.

Maximum UV Index Levels in Hergensweiler for September

The chart shows the monthly maximum UV Index (UVI) for Hergensweiler in September, representing the highest UV radiation level. The UVI measures the intensity of ultraviolet radiation from the sun, indicating the potential risk of sunburn and UV-related health issues. In September, the maximum UV index in Hergensweiler typically reaches 6, which falls under the high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec235689986431
Data source: Hergensweiler September UVI data generated using information from the Copernicus Climate Change Service.

UV Risk Categories

  •  Extreme (11+): Avoid the sun, stay in shade.
  •  Very High (8-10): Limit sun exposure.
  •  High (6-7): Use SPF 30+ and protective clothing.
  •  Moderate (3-5): Midday shade recommended.
  •  Low (0-2): No protection needed.

How September Weather in Hergensweiler Compares to Other Months

Weather in Hergensweiler varies notably across the year, with each month offering distinct climate conditions. This page compares September’s weather to other months in Hergensweiler, focusing on differences in temperature, rainfall, humidity, and UV levels.

This table compares monthly weather conditions in Hergensweiler, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather0°C (31°F)128 mm (5.0 inches)92%low
February Weather2°C (36°F)98 mm (3.8 inches)89%moderate
March Weather5°C (41°F)113 mm (4.5 inches)87%moderate
April Weather9°C (48°F)83 mm (3.3 inches)84%high
May Weather12°C (54°F)160 mm (6.3 inches)80%very high
June Weather17°C (64°F)156 mm (6.1 inches)82%very high
July Weather18°C (65°F)161 mm (6.3 inches)83%very high
August Weather18°C (65°F)179 mm (7.1 inches)80%very high
September Weather14°C (57°F)124 mm (4.9 inches)83%high
October Weather10°C (50°F)128 mm (5.0 inches)90%moderate
November Weather5°C (41°F)79 mm (3.1 inches)88%moderate
December Weather1°C (34°F)149 mm (5.9 inches)90%low

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